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Finding the Fourth Proportional to 368,650.80, 552,972.48 and 168,914.52

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Solution

The fourth proportional to 368,650.80, 552,972.48 and 168,914.52 is: 253,370.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,650.80 : 552,972.48 = 168,914.52 : x
  2. Step 2: Convert to fraction form
    368,650.80/552,972.48 = 168,914.52/x
  3. Step 3: Cross multiply
    368,650.80x = 552,972.48 × 168,914.52
  4. Step 4: Simplify right side
    368,650.80x = 93,405,081,032.41
  5. Step 5: Solve for x
    x = 93,405,081,032.41/368,650.80
  6. Step 6: Final answer
    x = 253,370.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.